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Update DirectWrite font provider to use DYNAMIC_API (nw)

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This commit is contained in:
Brad Hughes 2016-11-18 14:38:35 -05:00
parent 17c9b0b784
commit 78a30a25b0
1 changed files with 19 additions and 31 deletions
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50
src/osd/modules/font/font_dwrite.cpp
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@ -66,10 +66,18 @@ static const float POINTS_PER_DIP = (3.0f / 4.0f);
#define HR_RET0( CALL ) HR_RET(CALL, 0)
#define HR_RET1( CALL ) HR_RET(CALL, 1)
// Typedefs for dynamically loaded functions
typedef HRESULT (WINAPI *d2d_create_factory_fn)(D2D1_FACTORY_TYPE, REFIID, const D2D1_FACTORY_OPTIONS *, void **);
typedef HRESULT (WINAPI *dwrite_create_factory_fn)(DWRITE_FACTORY_TYPE, REFIID, IUnknown **);
typedef int (WINAPI *get_user_default_locale_name)(LPWSTR, int);
// Dynamic APIs
DYNAMIC_API_BEGIN(d2d1, "d2d1.dll")
DYNAMIC_API_FN(HRESULT, WINAPI, D2D1CreateFactory, D2D1_FACTORY_TYPE, REFIID, const D2D1_FACTORY_OPTIONS *, void **)
DYNAMIC_API_END()
DYNAMIC_API_BEGIN(dwrite, "dwrite.dll")
DYNAMIC_API_FN(HRESULT, WINAPI, DWriteCreateFactory, DWRITE_FACTORY_TYPE, REFIID, IUnknown **)
DYNAMIC_API_END()
DYNAMIC_API_BEGIN(locale, "kernel32.dll")
DYNAMIC_API_FN(int, WINAPI, GetUserDefaultLocaleName, LPWSTR, int)
DYNAMIC_API_END()
// Debugging functions
#ifdef DWRITE_DEBUGGING
@ -653,12 +661,6 @@ private:
class font_dwrite : public osd_module, public font_module
{
private:
osd::dynamic_module::ptr m_d2d1_dll;
osd::dynamic_module::ptr m_dwrite_dll;
osd::dynamic_module::ptr m_kernel32_dll;
d2d_create_factory_fn m_pfnD2D1CreateFactory;
dwrite_create_factory_fn m_pfnDWriteCreateFactory;
get_user_default_locale_name m_pfnGetUserDefaultLocaleName;
ComPtr<ID2D1Factory> m_d2dfactory;
ComPtr<IDWriteFactory> m_dwriteFactory;
ComPtr<IWICImagingFactory> m_wicFactory;
@ -667,9 +669,6 @@ public:
font_dwrite() :
osd_module(OSD_FONT_PROVIDER, "dwrite"),
font_module(),
m_pfnD2D1CreateFactory(nullptr),
m_pfnDWriteCreateFactory(nullptr),
m_pfnGetUserDefaultLocaleName(nullptr),
m_d2dfactory(nullptr),
m_dwriteFactory(nullptr),
m_wicFactory(nullptr)
@ -678,14 +677,8 @@ public:
virtual bool probe() override
{
m_d2d1_dll = osd::dynamic_module::open({ "d2d1.dll" });
m_dwrite_dll = osd::dynamic_module::open({ "dwrite.dll" });
m_pfnD2D1CreateFactory = m_d2d1_dll->bind<d2d_create_factory_fn>("D2D1CreateFactory");
m_pfnDWriteCreateFactory = m_dwrite_dll->bind<dwrite_create_factory_fn>("DWriteCreateFactory");
// This module is available if it can load the expected API Functions
if (!m_pfnD2D1CreateFactory || !m_pfnDWriteCreateFactory)
if (!DYNAMIC_API_TEST(d2d1, D2D1CreateFactory) || !DYNAMIC_API_TEST(dwrite, DWriteCreateFactory))
return false;
return true;
@ -698,21 +691,16 @@ public:
osd_printf_verbose("FontProvider: Initializing DirectWrite\n");
// Make sure we can initialize our api functions
if (!m_pfnD2D1CreateFactory || !m_pfnDWriteCreateFactory)
if (!DYNAMIC_API_TEST(d2d1, D2D1CreateFactory) || !DYNAMIC_API_TEST(dwrite, DWriteCreateFactory))
{
osd_printf_error("ERROR: FontProvider: Failed to load DirectWrite functions.\n");
return -1;
}
// Init our kernel32 dynamic functions
m_kernel32_dll = osd::dynamic_module::open({ "Kernel32.dll" });
assert(m_kernel32_dll != nullptr);
// Attempt to map this function. It only exists on Vista+, so we don't fail if it can't be mapped
m_pfnGetUserDefaultLocaleName = m_kernel32_dll->bind<get_user_default_locale_name>("GetUserDefaultLocaleName");
assert(DYNAMIC_API_TEST(locale, GetUserDefaultLocaleName));
// Create a Direct2D factory.
HR_RET1((*m_pfnD2D1CreateFactory)(
HR_RET1(DYNAMIC_CALL(d2d1, D2D1CreateFactory,
D2D1_FACTORY_TYPE_SINGLE_THREADED,
__uuidof(ID2D1Factory),
nullptr,
@ -722,7 +710,7 @@ public:
CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
// Create a DirectWrite factory.
HR_RET1((*m_pfnDWriteCreateFactory)(
HR_RET1(DYNAMIC_CALL(dwrite, DWriteCreateFactory,
DWRITE_FACTORY_TYPE_SHARED,
__uuidof(IDWriteFactory),
reinterpret_cast<IUnknown **>(m_dwriteFactory.GetAddressOf())));
@ -811,10 +799,10 @@ private:
// Get the default locale for this user if possible.
// GetUserDefaultLocaleName doesn't exist on XP, so don't assume.
if (m_pfnGetUserDefaultLocaleName)
if (DYNAMIC_API_TEST(locale, GetUserDefaultLocaleName))
{
wchar_t name_buffer[LOCALE_NAME_MAX_LENGTH];
int len = m_pfnGetUserDefaultLocaleName(name_buffer, LOCALE_NAME_MAX_LENGTH);
int len = DYNAMIC_CALL(locale, GetUserDefaultLocaleName, name_buffer, LOCALE_NAME_MAX_LENGTH);
if (len != 0)
locale_name = name_buffer;
}